Showing structure for COC1=CC=C(C2=COC3=C(C)C(OC)=CC(OC4OC(CO)C(O)C(O[Si](C)(C)C(C)(C)C)C4OC4OC(C)C(O)C(O[Si](C)(C)C(C)(C)C)C4O)=C3C2=O)C=C1OC